A simple model with trade in gold is explored where the cost of liquidity is measured in terms of utility foregone by using the gold as a money or means of payment rather than for utilitarian purposes. We close with remarks on the use of both silver and gold.

There is a natural tradeoff between the benefits of increasing the number of competitors in an insurance market and the drawback to the weakening of the law of large numbers due to the diminishing of average reserves. In this investigation we consider the possibility for optimal layers of...

We recast the capital asset pricing model (CAPM) in the broader context of general equilibrium with incomplete markets (GEI). In this setting we give proofs of three properties of CAPM equilibria: they are efficient, asset prices lie on a "security market line," and all agents hold the same two...